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Animal Health
Tuesday, April 17, 2012 2:30:07 PM
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Geographical distribution of salmonella infected pig, cattle and sheep herds in Sweden 1993-2010
            
Susanna Sternberg Lewerin, Lars Skog, Jenny Frössling and Helene Wahlström
 
 

The Swedish salmonella control programme covers the entire production chain, from feed to food. All salmonella serotypes are notifiable. On average, less than 20 cases of salmonella in food-producing animals are reported every year. In some situations, the cases would be expected to cluster geographically. The aim of this study was to illustrate the geographic distribution of the salmonella cases detected in pigs, cattle and sheep.

 

Data on all herds with pigs, cattle and sheep found to be infected with salmonella during the time period from 1993 to 2010 were obtained from the Swedish Board of Agriculture. Using the ArcGIS software, various maps were produced of infected herds, stratified on animal species as well as salmonella serotype. Based on ocular inspection of all maps, some were collapsed and some used separately. Data were also examined for temporal trends.

          
   

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Article made possible through the contribution of Susanna Sternberg Lewerin, Lars Skog, Jenny Frössling, Helene Wahlström and BioMed Central.

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